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ib_srpt: Make srpt_rdy_to_xfer() handle IB send queue overflow correctly.

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3571 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2011-06-13 12:22:33 +00:00
parent 82d03efb88
commit 0e3137524d
1 changed files with 7 additions and 9 deletions
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16
srpt/src/ib_srpt.c
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@@ -3026,18 +3026,16 @@ static void srpt_pending_cmd_timeout(struct scst_cmd *scmnd)
static int srpt_rdy_to_xfer(struct scst_cmd *scmnd)
{
struct srpt_send_ioctx *ioctx;
enum srpt_command_state prev_cmd_state;
int ret;
ioctx = scst_cmd_get_tgt_priv(scmnd);
EXTRACHECKS_BUG_ON(!ioctx);
prev_cmd_state = srpt_set_cmd_state(ioctx, SRPT_STATE_NEED_DATA);
ret = srpt_xfer_data(ioctx->ch, ioctx, scmnd);
if (unlikely(ret != SCST_TGT_RES_SUCCESS))
srpt_set_cmd_state(ioctx, prev_cmd_state);
srpt_set_cmd_state(ioctx, SRPT_STATE_NEED_DATA);
EXTRACHECKS_WARN_ON(ioctx->state == SRPT_STATE_DONE);
EXTRACHECKS_WARN_ON(ioctx->ch !=
scst_sess_get_tgt_priv(scst_cmd_get_session(scmnd)));
EXTRACHECKS_BUG_ON(!ioctx->ch);
return srpt_xfer_data(ioctx->ch, ioctx, scmnd);
return ret;
}
/**